113611051 has 16 divisors (see below), whose sum is σ = 127301760. Its totient is φ = 100759680.

The previous prime is 113611039. The next prime is 113611061. The reversal of 113611051 is 150116311.

It is not a de Polignac number, because 113611051 - 2¹¹ = 113609003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113611021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67320 + ... + 68986.

It is an arithmetic number, because the mean of its divisors is an integer number (7956360).

Almost surely, 2^113611051 is an apocalyptic number.

113611051 is a deficient number, since it is larger than the sum of its proper divisors (13690709).

113611051 is a wasteful number, since it uses less digits than its factorization.

113611051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 113611051 is about 10658.8484837716. The cubic root of 113611051 is about 484.3286861358.

Adding to 113611051 its reverse (150116311), we get a palindrome (263727362).

The spelling of 113611051 in words is "one hundred thirteen million, six hundred eleven thousand, fifty-one".